sigevent
int timer_create(clockid_t clockID, struct sigevent* event,
struct sigevent; /* defined in <signal.h> */
uint32 flags, const struct sigevent* event,
uint32 flags, const struct sigevent* event,
uint32 flags, const struct sigevent& event,
struct sigevent event = {0};
struct sigevent event = {0};
const struct sigevent* userEvent,
struct sigevent event = {0};
timer_create(clockid_t clockID, struct sigevent* event, timer_t* _timer)